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crssrc16
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clrtobot.c
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1993-07-29
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/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char sccsid[] = "@(#)clrtobot.c 5.4 (Berkeley) 6/30/88";
#endif /* not lint */
# include "curses.ext"
/*
* This routine erases everything on the window.
*
*/
void wclrtobot(win)
reg WINDOW *win; {
reg int y;
reg char *sp, *end, *maxx;
reg int startx, minx;
startx = win->_curx;
for (y = win->_cury; y < win->_maxy; y++) {
minx = _NOCHANGE;
end = &win->_y[y][win->_maxx];
for (sp = &win->_y[y][startx]; sp < end; sp++)
if (*sp != ' ') {
maxx = sp;
if (minx == _NOCHANGE)
minx = sp - win->_y[y];
*sp = ' ';
}
if (minx != _NOCHANGE)
touchline(win, y, minx, (int)(maxx - &win->_y[y][0]));
startx = 0;
}
}